What it costs to charge a 2027 Rivian R1S Performance (22in) in Arizona
A 2027 Rivian R1S Performance (22in) draws 44.6 kWh per 100 miles per the EPA; at Arizona's 15.45¢/kWh residential rate that's $6.89 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 57% cheaper per mile than gasoline in Arizona — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2027 Rivian R1S Performance (22in) in Arizona runs about $1,033 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,370 saved annually, at this mileage.
What one full charge costs
$25.55 — that's what Arizona's 15.45¢/kWh rate puts on the 165.4 kWh a 2027 Rivian R1S Performance (22in) needs for its full 371-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (22in) in Arizona ranks 12,754 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (22in) ranks 354 of 400 EV models for raw efficiency, and Arizona ranks 25 of 51 for cheapest residential electricity.
Before you install a home charger in Arizona
Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.
Ask a licensed Arizona electrician to quote the install before this math becomes a real decision.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Performance (22in)'s cost in Arizona. At 15.45¢/kWh, Arizona sits in the middle of the national range — the guide to why charging cost varies by state shows where.